ubuntu git clone error: server certificate verification failed

ubnutu git clone error message

Cloning into 'trend-branding-styleguide'...
error: server certificate verification failed. CAfile: /etc/ssl/certs/ca-certificates.crt CRLfile: none while accessing https://gitlab.tw.trendnet.org/randy_lien/trend-branding-styleguide.git/info/refs
fatal: HTTP request failed

input below in the shell

$ export GIT_SSL_NO_VERIFY=1

Reference: https://blog.breadncup.com/2011/06/09/skip-git-ssl-verification/